AT49F008A-12TI Ver la hoja de datos (PDF) - Atmel Corporation
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AT49F008A-12TI Datasheet PDF : 17 Pages
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AT49F008A(T)/8192A(T)
Software Product Identification Entry(1)
LOAD DATA AA
TO
ADDRESS 5555(7)
LOAD DATA 55
TO
ADDRESS 2AAA(7)
Boot Block
Lockout Enable Algorithm(1)
LOAD DATA AA
TO
ADDRESS 5555(3)
LOAD DATA 55
TO
ADDRESS 2AAA(3)
LOAD DATA 90
TO
ADDRESS 5555(7)
LOAD DATA 80
TO
ADDRESS 5555(3)
ENTER PRODUCT
IDENTIFICATION
MODE(2)(3)(5)
Software Product Identification Exit(1)(6)
LOAD DATA AA
OR
TO
ADDRESS 5555(7)
LOAD DATA F0
TO
ANY ADDRESS
LOAD DATA 55
TO
ADDRESS 2AAA(7)
EXIT PRODUCT
IDENTIFICATION
MODE(4)
LOAD DATA F0
TO
ADDRESS 5555(7)
EXIT PRODUCT
IDENTIFICATION
MODE(4)
Notes:
1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A18
(Don’t Care).
2. A1 - A18 = VIL.
Manufacture Code is read for A0 = VIL;
Device Code is read for A0 = VIH.
3. The device does not remain in identification mode if
powered down.
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH
Device Code: 22H (AT49F008A), A0H (AT49F8192A),
21H (AT49F008AT), A3H (AT49F8192AT)
6. Either one of the Product ID Exit commands can be used.
7. If the alternate pin definition is used,
5555 should be replaced with A555,
2AAA should be replaced with 5AAA.
LOAD DATA AA
TO
ADDRESS 5555(3)
LOAD DATA 55
TO
ADDRESS 2AAA(3)
LOAD DATA 40
TO
ADDRESS 5555(3)
PAUSE 1 second(2)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A18
(Don’t Care).
2. Boot block lockout feature enabled.
3. If the alternate pin definition is used,
5555 should be replaced with A555,
2AAA should be replaced with 5AAA.
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